40065255 has 24 divisors (see below), whose sum is σ = 69844320. Its totient is φ = 21245760.

The previous prime is 40065251. The next prime is 40065257. The reversal of 40065255 is 55256004.

40065255 is a `hidden beast` number, since 4 + 0 + 0 + 652 + 5 + 5 = 666.

It is not a de Polignac number, because 40065255 - 2² = 40065251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40065251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5686 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (2910180).

Almost surely, 2^40065255 is an apocalyptic number.

40065255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40065255 is a deficient number, since it is larger than the sum of its proper divisors (29779065).

40065255 is a wasteful number, since it uses less digits than its factorization.

40065255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111 (or 5108 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 40065255 is about 6329.7120787600. The cubic root of 40065255 is about 342.1810624297.

It can be divided in two parts, 4006 and 5255, that added together give a cube (9261 = 21³).

The spelling of 40065255 in words is "forty million, sixty-five thousand, two hundred fifty-five".